Arithmetic progression Calculator

Calculates the n-th term and sum of the arithmetic progression with the common difference.

initial term a
common difference d
number of terms n
    1. n=1,2,3...

the n-th term an
sum Sn
Arithmetic progression
[1-3] /3Disp-Num
[1]  2018/02/24 05:57   Male / 20 years old level / High-school/ University/ Grad student / Very /
Purpose of use
I want to write wassce 2018 sept
[2]  2017/06/24 04:32   - / - / - / Useful /
Pls solve this for me: the first term of an arithmetic progression (AP) is -8. If the ratio of the 7th term is 5: 8, find the common difference of the AP
[3]  2012/10/29 21:27   Male / 20 years old level / High-school/ University/ Grad student / Very /
Purpose of use
don't know how to do it, plz help me...
2+5+6+7+10+11+....nth find summation of nth term


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